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  1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Nenga H.Wendl. & Drude
      1. Species: Nenga pumila (Blume) H.Wendl.
        1. Nenga pumila var. pachystachya (Blume) Fernando

        This variety is accepted, and its native range is Peninsula Thailand to W. Malesia.

    [PW]
    Vernacular
    Kache (Thailand); Rasau, Pinang horaiung (Borneo); Keredan, Pinang muring (Malay Peninsula); Pinang unoo (Singapore); Kajoe djambe (Sumatra).
    Distribution
    S. Thailand, Malay Peninsula, Singapore, Sumatra, Bangka, and Borneo
    Biology
    Along the landward edge of mangrove or in dense humid Dipterocarp forest on hillslopes or river valleys, also in heath forest on sandstone or granitic sand, to ca. 1,100 m alt.
    General Description
    Caespitose, slender to moderate palm with stems sometimes stilt-rooted at the base, ca. 3-5 m long, (2) 3-6 (8) cm diam.; internodes to ca. 10 cm long, smooth, bright green to brown. Crownshaft elongate, cylindrical, ca. 35-80 cm long, only slightly swollen. Leaves to 7 in crown, leaf sheath ca. 25-60 cm long, pale green to greenish or yellowish-white; petiole ca. 4-50 cm long, to 1.5 cm diam. Leaflets to 30 on each side of the rachis, often drying dull reddish-brown; basal leaflets 1 costate, ca. 25-40 X 0.5-1.0 cm, long-acuminate; middle leaflets 2-3 costate, rarely 4 or 5 costate, ca. 35-70 X 2-4 (5) cm, long-acuminate; terminal leaflet pair 3-6 costate, rarely to 10 costate, ca. 20-40 X (1.5) 2-2.5 (4) cm, acuminate or slightly toothed at tips, sometimes joined to 4 cm at the base along the rachis, rarely more. Inflorescence infrafoliar, pendulous; prophyll ensiform or lanceolate, ca. (18) 20-25 (70) X 1.5-3.0 cm, drying chestnut-brown, caducous; peduncle ca. 1.5-3.0 (4) X 0.4-1.3 cm, flattened, glabrous; peduncular bract triangular to narrowly triangular, acuminate, ca. 8-15 X 8-10 mm, membranous; rachilla 2-4, usually 3, rarely to 6, ca. (15) 20-35 (50) cm long, to 6 mm thick, each subtended by a membranous triangular bract to 10 mm long. Staminate flower triangular, asymmetric, flexuous; sepals subequal, linear-subulate or very narrowly lanceolate, dorsally carinate, very flexuous, ca. 9-13 (20) mm long; petals elliptic to lanceolate, acuminate, straight to subfalcate, much shorter than sepals, ca. 5-7 (9) X 2-2.5 mm; filaments 1-2 mm long; anthers erect, linear, ca. 1.52 mm long, sagittate at base; pistillode conical, minute. Pistillate flower ovoid to subglobose, shorter than the staminate flower; sepals ca. 3-4 mm X 4 mm, petals as the sepals, or sometimes only slightly smaller; ovary ovoid to spherical, to 1.5 mm X 2 mm; stigma distinctly 3-lobed; staminodes indistinct. Infructescence pendulous, branches densely covered with fruits. Fruit ripening brick-red, oblong to oblong-ovoid or ovoid-ellipsoid, ca. (2) 2.43 X 1-1.5 (1.8) cm, beaked, tipped with a prominent 3-lobed stigma to 2 mm high, the lobes erect; epicarp often drying with shallow dimples. Seed broadly ovoid, ca. 10-15 mm X 7-9 mm, acuminate to spinescent at tip, base rounded-truncate, shallowly concave-intruded.

    Images

    Distribution

    Native to:

    Borneo, Malaya, Sumatera, Thailand

    Synonyms

    Other Data

    Nenga pumila var. pachystachya (Blume) Fernando appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Oct 10, 2001 Loo, A.H.B. [304], Singapore K000525038
    Jul 21, 2000 Maung Soe Paing [BRUN15190], Brunei K000113155
    Sep 3, 1981 Beccari, O. [942], Sumatera K000697856 isotype
    Sep 3, 1981 Beccari, O. [942], Sumatera K000697857 isotype
    Smith, G. [GC29], Thailand 53708.000
    Smith, G. [GC58], Thailand 53725.000
    Smith, G. [GC74], Thailand 53726.000
    Smith, G. [GC58], Thailand 53731.000
    Smith, G. [GC 32], Thailand 59962.000
    Smith, G. [GC 44], Thailand 59966.000
    Smith, G. [GC 59], Thailand 59971.000
    Smith, G. [GC 89], Thailand 63001.000
    Smith, G. [GC 33], Thailand 63003.000

    Bibliography

    First published in Principes 27: 61 (1983)

    Accepted by

    • Barfod, A.S. & Dransfield, J. (2013). Flora of Thailand 11(3): 323-498. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.
    • Henderson, A. (2009). Palms of Southern Asia: 1-197. Princeton university press, Princeton and Oxford.
    • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Palmweb - Palms of the World Online

    • E.S. Fernando, A Revision of the Genus Nenga. 1983

    Sources

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Palmweb - Palms of the World Online
    Palmweb 2011. Palmweb: Palms of the World Online. Published on the internet http://www.palmweb.org. Accessed on 21/04/2013
    Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License http://creativecommons.org/licenses/by-nc-sa/3.0